Finding the Fourth Proportional to 351,316.02, 484,815.70 and 190,171.02
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Solution
The fourth proportional to 351,316.02, 484,815.70 and 190,171.02 is: 262,435.79
Step by Step Solution
- Step 1: Write the proportion equation
351,316.02 : 484,815.70 = 190,171.02 : x - Step 2: Convert to fraction form
351,316.02/484,815.70 = 190,171.02/x - Step 3: Cross multiply
351,316.02x = 484,815.70 × 190,171.02 - Step 4: Simplify right side
351,316.02x = 92,197,896,181.01 - Step 5: Solve for x
x = 92,197,896,181.01/351,316.02 - Step 6: Final answer
x = 262,435.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.